#28AE2A

Closest named color: Kelly Green (#02AB2E). oklch(65.7% 0.202 143), rgb(40, 174, 42).

Aa

Black text reads best on this color (7.17:1).

About this color

#28AE2A is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.202 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.014 away. Black text reads best on it, at 7.17:1.

Hue familyGreens
Lightnessmedium-light (66%)
Chromavivid (0.202)
Temperaturein between
Nearest nameKelly Green (#02AB2E)
Black text7.17:1
White text2.92:1

Values

HEX#28AE2A
RGBrgb(40, 174, 42)
HSLhsl(121, 63%, 42%)
OKLCHoklch(65.7% 0.202 143)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #28AE2A 2.92:1 Fails Lc -60.4 Content text, not long reading
Black text on #28AE2A 7.17:1 AAA Lc 49.0 Large or bold text, headings
#28AE2A text on white 2.92:1 Fails Lc 55.1 Large or bold text, headings
#28AE2A text on black 7.17:1 AAA Lc -46.7 Large or bold text, headings

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F1F8F0

    oklch(97.2% 0.013 141.8)

  2. Step 100

    100

    #DFEFDE

    oklch(93.6% 0.028 143.7)

  3. Step 200

    200

    #C5E3C2

    oklch(88.5% 0.055 142.6)

  4. Step 300

    300

    #9BD197

    oklch(80.8% 0.098 142.9)

  5. Step 400

    400

    #5EB95A

    oklch(70.7% 0.158 142.9)

  6. Step 500

    500 (this color)

    #28AE2A

    oklch(65.7% 0.202 143)

  7. Step 600

    600

    #008C0C

    oklch(55.5% 0.186 143)

  8. Step 700

    700

    #007608

    oklch(49.1% 0.164 143)

  9. Step 800

    800

    #006105

    oklch(42.7% 0.143 143)

  10. Step 900

    900

    #005104

    oklch(37.7% 0.126 143)

  11. Step 950

    950

    #053005

    oklch(27% 0.083 142.8)

Export this scale for Tailwind in the Tailwind colors tool

#28AE2A with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#B29D0D0.144
Deuteranopia (no green cones)#A393390.144
Tritanopia (no blue cones)#00A9950.130
Achromatopsia (no color)#9797970.203

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #28AE2A

    #28AE2A

    oklch(65.7% 0.202 143)

  • #C95DD7

    #C95DD7

    oklch(65.7% 0.202 322.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28AE2A

    #28AE2A

    oklch(65.7% 0.202 143)

  • #929900

    #929900

    oklch(65.5% 0.146 113)

  • #00AA8A

    #00AA8A

    oklch(65.8% 0.126 172.9)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #28AE2A

    #28AE2A

    oklch(65.7% 0.202 143)

  • #9971FF

    #9971FF

    oklch(65.6% 0.202 293)

  • #E84E9C

    #E84E9C

    oklch(65.7% 0.203 352.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28AE2A

    #28AE2A

    oklch(65.7% 0.202 143)

  • #538BFF

    #538BFF

    oklch(65.7% 0.182 263)

  • #F44E53

    #F44E53

    oklch(65.7% 0.202 23.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28AE2A

    #28AE2A

    oklch(65.7% 0.202 143)

  • #009ED6

    #009ED6

    oklch(65.8% 0.135 232.8)

  • #C95DD7

    #C95DD7

    oklch(65.7% 0.202 322.9)

  • #DD6E00

    #DD6E00

    oklch(65.7% 0.167 53)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28AE2A, closest first.

No curated palette has a color within ΔE 0.04 of #28AE2A.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #28AE2A in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.